 Hot weather driving, Which is better for the car? |
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| MoveQik |
 Jun 27 2005, 01:39 PM
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#1
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What size wheels can I fit?  Group: Members Posts: 4,654 Joined: 5-April 05 From: Scottsdale, AZ Member No.: 3,881 Region Association: Southwest Region   |
Is there a rule of thumb as to the most efficient way to drive during the summer in order to keep things as cool as possible back in the engine bay?
For example, is it better to keep the RMPs slightly higher to keep the fan pushing more air or is better to keep RPMs lower to keep the engine from generating more heat. If you can follow that logic. (IMG:http://www.914world.com/bbs2/html/emoticons/screwy.gif) |
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| nebreitling |
Jun 28 2005, 04:53 PM
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#2
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Member Emeritus Group: Members Posts: 3,314 Joined: 26-March 03 From: San Francisco Member No.: 478 |
i believe that i recall someone *wise* once saying that maximum effeciency of the fan is at 4600 rpm. but cruise at 4600 rpm and you'll be cooking your oil on most engines (w/ out an extra oil cooler).
certainly, never cruise at less than 3000 rpm. 3200-3600 seems to be a nice balance to me. in any case, i would rather change the oil a little more often and run cooler head temps. |
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Posts in this topic
MW 914 Hot weather driving Jun 27 2005, 01:39 PM
Travis Neff You need to drive with the engine off and have som... Jun 27 2005, 01:47 PM MW 914 Yeah, I've noticed it never gets too hot rolli... Jun 27 2005, 01:49 PM Travis Neff I'll soon have the kids in shape enough to pus... Jun 27 2005, 01:55 PM jasons I am of the opinion you should keep the R's up... Jun 27 2005, 02:08 PM redshift Stop and go? NEVER going to be happy...
Idle is r... Jun 27 2005, 02:10 PM Rand RPMs affect different things. Move more air, cool ... Jun 28 2005, 04:30 PM airsix My understanding is the typeIV fan cavitates at hi... Jun 28 2005, 04:39 PM BMartin914 The faster I spin that engine, the cooler the head... Jun 28 2005, 04:50 PM MW 914 Thanks for the info. Sounds like good gaugees are... Jun 28 2005, 05:07 PM
LukeD I have a VDO Cht in the console and a calibrated, ... Jun 28 2005, 05:45 PM |
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